Important to know if disk drive is spinning.

I'm transferring information between labview and programs that are not
able to communicate directly with labview. Data is passed back and
forth by one program writing to disk and the other reading it. This is
inelegant, but not much data has to be transferred; nor does this happen
very often.
I would like to ensure that a disk write from one program is complete
before I have the other program start a read on the newly-written data.
Does Labview have any way of checking if the hard drive is currently
being written to? I guess I could put in a conservative time delay, but
perhaps there's a way to safely shave down a window of safety
dead-time...
Using:
LV 5.1
Windows98
PII PC.
Any general advice on how
to ensure that don't trip over myself in
reading a file that is written by one machine and then read by another?
Thanks.
Sent via Deja.com
http://www.deja.com/

LabVIEW's "Open File" function in the File I/O -> Advanced File
Functions palette has a parameter to deny other applications read and
write access as long as the file reference is open. I don't know what
languages you are using to write your other applications, so I can't
say whether they have the same option to deny reading by another app.
Another way that you can set up your reader is by reading the size of
the file. When the file size stops increasing over a certain period of
time, then you can make a logical assumption that the other program has
stopped writing.
ej
In article <95rlgu$d6n$[email protected]>,
[email protected] wrote:
> I'm transferring information between labview and programs that are not
> able to communicate directly with labview. Data is passed ba
ck and
> forth by one program writing to disk and the other reading it. This is
> inelegant, but not much data has to be transferred; nor does this
happen
> very often.
>
> I would like to ensure that a disk write from one program is complete
> before I have the other program start a read on the newly-written
data.
> Does Labview have any way of checking if the hard drive is currently
> being written to? I guess I could put in a conservative time delay,
but
> perhaps there's a way to safely shave down a window of safety
> dead-time...
>
> Using:
> LV 5.1
> Windows98
> PII PC.
>
> Any general advice on how to ensure that don't trip over myself in
> reading a file that is written by one machine and then read by
another?
>
> Thanks.
>
> Sent via Deja.com
> http://www.deja.com/
>
Sent via Deja.com
http://www.deja.com/

Similar Messages

Disk drive wont spin

Hey all,
I have got a prob.
I have a dvd with 4.6 gigs of avi movies on it. When i try to drag all or any of the files off the dvd(in finder) onto the desktop, the drive spools up like it usually does and the progress meter starts going up. It usually gets quickly to about 50-80 percent and the drive stops spinning and the meter stops. Then I get a messege
"Finder could not complete the operation because some data in "filename" could not be read or written (Error code -36)"
The wierd thing is if I drag any of the files individually , it does the same with all off them. When the drive is spinning it copies no prob but all of the sudden it just stops and so does the copying. Sometimes the drive never spools up and the progress stays at zero followed by the error messege.
Another thing is when I play the movies right off the disc. Same thing. If the drive spools up it will play a good 5 minutes off the movie then the drive stops spinning and movie freezes. And sometimes when I open the movie off the disc the drive never spools up and it plays about 10 seconds of the movie the freezes.
Not sure what is happening here...
Any help would be excellent
Mac Mini 1.42GHZ Mac OS X (10.4.4)

It really sounds like the DVD is damaged in some way.
I do have a suggestion, but I'm not sure it'll work : insert the DVD and let it mount on your Desktop. Then, open Disk Utility (in Applications > Utilities), and select (highlight) the disc in the left panel. In File > New, you should see three options :
Blank Disk Image
Disk Image from Folder
and
Disk Image from your disc. You want to select that option, and then you can choose the name, location, and format for the disk image. I think you can leave "Compressed" and for encryption, "None". Now, click Save.
Once it's done (if it succeeds), you could try to mount that disk image (double-click the .dmg which you will find where you saved the image), and see if you can transfer the files from there.
Please let us know if it works (or doesn't).

Hi there! yesterday I installed Mavericks on my Macbook. Since then, it doesn't mount my external hard disk drive anymore, which he did a week ago (without the update). Is there anyone out there who knows a solution?

Hi there! Yesterday, I installed Mavericks on my Macbook. Since then, it doesn't recognize my external hard disk drive anymore (at least not on the desktop. In Germany they call it "it doens't mount it". I don't know if it's the same expression in english?)
I just used it a week ago, before I did the update and it worked perfectly fine.
Is there anyone out there who knows a solution for this problem? I've been googleing for hours now and can't find any answer.
Thank you!!!

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

FF_5 import couldnt be done, due to "File in disk drive cannot be opened"

Hello everybody,
we made an upgrade from SAP 4.6C to ECC6. After some configuration we installed and addon which lets us to import BANK statement while using standard SAP TC. FF_5.
But we face a problem.
We start by converting our BANK file with DME engine.
Then we try to import it via FF_5 but then we get following error: File X in disk drive X cannot be opened, Message no. FB704, where x stands for "space"
our Bank import file is equal to the format described in DMEE TC eversy single line matches exact.
Points in regard
Thanks
Laurynas Prikockis

Hi Laurynas, we are running the same migration process as you mentioned and have the same problem with the FF_5 transaction.
Have you figure out something to correct this problem?..
Thank you in advance

Can FCE 4 import directly from Panasonic Hard Disk Drive camcorder

I have FCE 3.5, and to import from my Panasonic SDR-H18 hard disk drive camcorder I need to convert from MPEG-4 to DV using MPEG Streamclip.
Can I import video directly from my Panasonic via a USB port to FCE 4, reading MPEG-4 without converting to DV.

FCE can only capture via FireWire.
FCE 4 will only capture DV and AVCHD. It won't capture the MPEG formats used by standard definition HDD and DVD cameras.

I have a hard disk drive with data that i want to back up onto another hard disk drive. I tried just copy and it won't let me paste it in the new drive. I have also tried to drag the files across and they won't go across. Does anyone know how to do this?

I have an external hard disk drive with data that I want to back up onto another extrnal hard disk drive. I have tried to copy and paste but this wont give me a paste option. I have also tried to click and drag but it wont let me either. I have reformatted the external hard drive to accept both mac and pc files and this did not make any difference. Can anyone help me with this?

How did you reformat the drive? If you formatted it as NTFS, your Mac will not be able to write files to it unless you use a small application such as Paragon's.
Please reply as to how you formatted the drive.
Clinton

I purchased Creative design premium 5 in 2011 and have had to resett my new computer and i do not have a disk drive.... I need to download from online and dont know how. my serial numbers are on file in my adobe account

I own a copy of creative design premium 5 and my new laptop doesnt have a disk drive..... How do I download for site... My serial numbers are on file in my adobe account.... I need to reinstall it to this computer because I have had to reset it. I have tried to download it but it is telling me that I am denied access.

Download CS5 products
If you get issues, use another browser and make sure you allow JavaScript and your security tools don't block the page.
Mylenium

Everytime I open my laptop, Lightroom tries to import photos from my hard drive. Does anyone know how to stop this?Is there a default I need to change?

Everytime I open my laptop, Lightroom opens and tries to import photos from my external drive. Is there a default I need to change?
Thanks in advance for any help.

Error -36 is, as X423424X says, a generic I/O error. It doesn't say anything about what caused the error, or indeed where it occurred (source or target).
You have to describe exactly your action when the error occurs. Is the ext'l drive you mentioned formatted as NTFS (Win default file system)? Without additional software, Mac OS X cannot write to NTFS, it can only read from it.

Resurrecting dead disk drive?

I have apparently experienced my first disk drive failure in 22+ years of Mac ownership! Of course I thought I had a complete backup of it, but now that it has failed I can't locate the backup so I may have inadvertantly overwritten it or it is in an archive that I haven't located yet. (This was OS 10.2.8, installed on an 80 GB internal, that I wasn't using much anymore) Computer is a G4 DA model with 2 internal drives, 896 MB RAM, DVD burner, now running 10.4.8.
I got the computer up and running reliably by installing a new drive in place of the troubled drive and cloning my working 10.4 installation from an external firewire drive to the new internal drive. I still would like to use 10.2.8 every once in a while until I get all of my apps updated to 10.4 and I would like to take one last look at the contents of that drive to see what was on it and be sure that there was nothing important. I don't know if I want to go to all the trouble of reinstalling 10.2.8 on another drive, so I was hoping there was some way I could clone the failing drive. I don't want to go to the expense of sending it to a data recovery company.
What are my options to see if there is any way I can read the drive? In the days before I gave up on the drive and installed another it did appear a couple of times on the desktop, but I was unable to access the contents. All other boots, it did not show up, and I couldn't get it to appear in any disk utility programs. (Disk Utility run from Tiger Install disk, TechTools, Disk Warrior, Drive Genius.) I was thinking I might get a new external firewire/USB drive enclosure and put the drive in there and see if I could possibly read it that way if it hasn't failed 100%. The ORIGINAL Apple/Maxstor 40 GB drive is still installed and working (OS 9.2). The drive that failed was a Feb 2002 IBM Deskstar 80 GB ATA/IDE drive. I did not upgrade the internal drive controller, so it is still the original with 137 GB limit. Since one drive works but the other failed, does that mean it is likely that the drive is non-recoverable, or is there some chance it could possibly work in an external enclosure?

Hi, TripleChime -
It's hard to know what might have gone wrong with the drive without being there.
Have you confirmed that none of the jumpers on the drive have become dislodged? Usually, though, if that were the case no drive on that bus would be available.
If the drive spins up, you may be able to recover the data from it with minimal expense. These two utilities are designed to recover data from drives which are mechanically sound, but which just won't mount for unknown reasons -
Data Rescue
Virtual Lab
Both of those are avialable in either OS 9 or OSX versions. They work best in a multi-drive Mac, since a working, writeable drive is needed as a place to put the recovered files.
If the drive fails to spin up, things are gloomier. That indicates serious, usually fatal, mechanical problems.
One such that can happen and from whic recovery may be possible is called 'stiction' - the platters stick (bad bearings, or such) at power up, and won't start turning. This can sometimes be temporarily overcome by giving the drive a hard rap while it is powered. If the drive then spins up, data may be able to be recovered from it using normal means (drive mounts and is accessibnle by Finder), or by using one of the utilities I posted above. Don't trust a drive which has experienced stiction; be ready - if it does spin up, you may have only that one session in which to recover data.
Usually, though, if a drive does not spin up the only way to recover the data is to use the services of a commercial data recovery firm. One such is DriveSavers. The services of such firms is not cheap.

Comparison of SSD with hard disk drives

Attribute or characteristic
Solid-state drive
Hard disk drive
Spin-up time
Instantaneous.
May take several seconds. With a large number of drives, spin-up may need to be staggered to limit total power drawn.
Random access time[45]
About 0.1 ms - many times faster than HDDs because data is accessed directly from the flash memory
Ranges from 5–10 ms due to the need to move the heads and wait for the data to rotate under the read/write head
Read latency time[46]
Generally low because the data can be read directly from any location; In applications where hard disk seeks are the limiting factor, this results in faster boot and application launch times (see Amdahl's law).[47]
Generally high since the mechanical components require additional time to get aligned
Consistent read performance[48]
Read performance does not change based on where data is stored on an SSD
If data is written in a fragmented way, reading back the data will have varying response times
Defragmentation
SSDs do not benefit from defragmentation because there is little benefit to reading data sequentially and any defragmentation process adds additional writes on the NAND flash that already have a limited cycle life.[49][50]
HDDs may require defragmentation after continued operations or erasing and writing data, especially involving large files or where the disk space becomes low. [51]
Acoustic levels
SSDs have no moving parts and make no sound
HDDs have moving parts (heads, spindle motor) and have varying levels of sound depending upon model
Mechanical reliability
A lack of moving parts virtually eliminates mechanical breakdowns
HDDs have many moving parts that are all subject to failure over time
Susceptibility toenvironmental factors[47][52][53]
No flying heads or rotating platters to fail as a result of shock, altitude, or vibration
The flying heads and rotating platters are generally susceptible to shock, altitude, and vibration
Magneticsusceptibility[citation needed]
No impact on flash memory
Magnets or magnetic surges can alter data on the media
Weight and size[52]
The weight of flash memory and the circuit board material are very light compared to HDDs
Higher performing HDDs require heavier components than laptop HDDs that are light, but not as light as SSDs
Parallel operation[citation needed]
Some flash controllers can have multiple flash chips reading and writing different data simultaneously
HDDs have multiple heads (one per platter) but they are connected, and share one positioning motor.
Write longevity
Solid state drives that use flash memory have a limited number of writes over the life of the drive.[54][55][56][57] SSDs based on DRAM do not have a limited number of writes.
Magnetic media do not have a limited number of writes.
Software encryption limitations
NAND flash memory cannot be overwritten, but has to be rewritten to previously erased blocks. If a software encryption program encrypts data already on the SSD, the overwritten data is still unsecured, unencrypted, and accessible (drive-based hardware encryption does not have this problem). Also data cannot be securely erased by overwriting the original file without special "Secure Erase" procedures built into the drive.[58]
HDDs can overwrite data directly on the drive in any particular sector.
Cost
As of October 2010, NAND flash SSDs cost about (US)$1.40–2.00 per GB
As of October 2010, HDDs cost about (US)$0.10/GB for 3.5 in and $0.20/GB for 2.5 in drives
Storage capacity
As of October 2010, SSDs come in different sizes up to 2TB but are typically 512GB or less[59]
As of October 2010, HDDs are typically 2-3TB or less
Read/write performance symmetry
Less expensive SSDs typically have write speeds significantly lower than their read speeds. Higher performing SSDs and those from particular manufacturers have a balanced read and write speed.[citation needed]
HDDs generally have symmetrical read and write speeds
Free block availability andTRIM
SSD write performance is significantly impacted by the availability of free, programmable blocks. Previously written data blocks that are no longer in use can be reclaimed by TRIM; however, even with TRIM, fewer free, programmable blocks translates into reduced performance.[25][60][61]
HDDs are not affected by free blocks or the operation (or lack) of the TRIM command
Power consumption
High performance flash-based SSDs generally require 1/2 to 1/3 the power of HDDs; High performance DRAM SSDs generally require as much power as HDDs and consume power when the rest of the system is shut down.[62][63]
High performance HDDs generally require between 12-18 watts; drives designed for notebook computers are typically 2 watts.

I wish I could get my head round the SSD vs HDD with a NLE rig. My builder is trying to persuade me to use a Toshiba 256Gb THNSNC256GBSJ for OS and programs, and it is only NZ$20 more expensive than the 450Gb 10k rpm VelociRaptor I was originally planing to use for the OS. That sounds suspiciously cheap to me, and I am concerned about the finite writes to SSD - mainly because I don't really understand it.
The rest of the new build is
3930K
Gigabyte X79-UD5
8 x DDR3 1600
Coolermaster with 750W PSU
Geforce GTX570
I plan to transfer the drives from my current system as a starting point, and reassess after giving it some use. That means
Either the above SSD or 450Gb 10k Raptor for OS (new drives)
300Gb 10k rpm Raptor (currently used for OS in old box)
150Gb 7k4 rpm Raptor (reserved for Photoshop Scratch in old box)
2 x 1Tb WD Blacks (data drives)
2 x 1Tb WD USB3 externals
I don't know how I would configure the drives in the new box, but have seen Harm's table and will try to follow his advice. It's a dreadful thing to admit, but I don't have a backup strategy, and the above drives are well over half full. Well over! And I am only just getting serious about video, (the rest is mainly CR2 files from my Canon 1Ds3 and 1D4)
I know it must be like banging your head against the wall, but should I avoid that SSD and go with the 450G Raptor? I have read a comment that the WD Blacks don't work well as Raid0. Is that BS or true?
I am about to give the go-ahead so need to confirm the spec.

I bought the disk Photoshop CS6 extended how do I install it on an new comp with no disk drive?

I bought Adobe Photoshop CS6 and installed the disk on my old computer. How do I install the program onto my new computer since I do not have a disk drive to put the cd into? There is nothing on the website that I can find to help me....I really enjoy the program and didnt even realize I didnt have a disk drive in this computer....(I know its something I should have known before I bought the computer....but it slipped my mind till now when I actually need it.) Thank you....Heidi

Hi Heidi,
Welcome to the Community!
That's not a problem, you can certainly download the product online. Please go to http://prodesigntools.com/adobe-cs6-direct-download-links.html and download Photoshop CS6 from there.
Remeber to follow the instructions mentioned under "Very Important section" otherwise download won't start.
Thanks!
Ankit

IPod Photo refuses to sleep when hard drive is spinning

I am own an iPod Photo 60GB running the iPod Software 1.2 (for iPod with color display).
I cannot turn my iPod Photo 60GB off/put it into sleep mode while the hard drive is being accessed or spinning. This normally means that some music is playing, but it also can happen when a track is paused. This issue occurs for both ways to put an iPod into sleep mode: 1)"Sleep" from the menu, or 2)holding the play/pause button for a few seconds. Attempting either of these methods of turning my iPod off/putting it to sleep while the hard drive is spinning results in the iPod NOT going to sleep. When I select the "Sleep" item from the menu, I can hear the "click" sound, so I know the selection of that menu item is being detected by my iPod.
Generally speaking, this issue happens when I have just removed my iPod from being docked with my computer, and it starts playing a track because I hit the play button accidentally while disconnecting the iPod. Usally the first thing I want to do is put the iPod to sleep, because I am going somewhere and don't want to use that battery when I'm not listening to it.
My workaround: If I select a track at the end of an album/playlist, and then fast forward to the end of that track so that NO music/sound is playing on my iPod Photo 60GB, and the hard drive is not spinning, then I am able to use the "Sleep" menu item or the hold the play/pause button for a few seconds method. Also, if I let the track play for anywhere from 30 seconds to a minute or two until the the hard drive is not spinning anymore, then I am able to put my iPod to sleep. But shouldn't the sleep feature work immediately? None of Apple's documentation or TIL articles suggest otherwise.
This problem is not related to the hold switch being in the "hold" position, as I am trying all of this with the hold switch NOT in the "hold" position. Also, it is not related to the battery power being low, as it happens with a full charge.
I have read threads with a similar issue to mine, however the clarification needs to be made that this "bug", as I'll call it, only occurs when the hard drive is spinning/being accessed. Many people have mentioned troubles with putting their iPod to sleep while listening to a Podcast. This makes sense because some Podcasts are too large to fit into the iPod's RAM cache, and so the hard drive is accessing the Podcast through it's entire length. None of these threads have any useful input from Apple Computer support other than the suggestion of resetting the iPod or restoring the iPod's software. In both cases, the suggested solution DOES NOT fix the problem permanently.
With the hopes that because ALL iPods that Apple sells currently will most likely have this problem, by starting a "new", more detailed thread on this issue, perhaps Apple will get this message to a higher level and actually do something about it.
I would highly suggest if you have an iPod Photo (any size) or one of the "new" color iPod's, that you try seeing if you can put your iPod to sleep when your hard drive is being accessed, and if not - Please Post on this Thread. The more posts that come up on a thread, the more likely that someone with Apple will notice.
Thanks for reading...

To elaborate more on what Rob said. Since the iPod is a hard drive based device(similar to your computer) the disc inside spins and there is a needle to read the data.
What you are suggusting would be like yanking the power cord out of your computer in mid install of something, the chance of data lose is there and if happened enough bad sectors can arise. Should you do that? No, Would you do it? In most cases not.
A bad sector would in most causes make the ipod freeze when accessing it or make it fail its disk check and requiring replacement.

Z87-GD65 can't use 3TB disk drives on Intel SATA ports

I've been happily using my Z87-GD65 for several months now with a 256G SSD for Windows 8.1, and 4*2T spinning Seagate drives. I decided it was time to make 'em bigger. So I plugged in a 3TB Seagate ST3000DM001 on one of the Intel SATA ports. The motherboard doesn't recognize there's a drive there at all. If I go ahead and boot, it's very slow to come up and Windows does recognize the drive, but it's unusably slow and eventually just hangs.
Ok... Flash the BIOS on the disk. No better.
Flash the MB BIOS. No better.
Plug in a WD 3T Red drive. Same exact symptoms.
Try different Intel SATA ports. Same symptoms.
Both drives work fine on two other completely different systems (both old LGA1155 systems).
Plug the drive in to the ASM1061 ports on the Z87-GD65 and poof... works like a champ. 170MB/sec from the Seagate, 150MB/sec from the WD.
Well, that's something, but I had intended to replace the 4*2T drives with 4*3T drives. Using the ASM ports is not the answer.
I checked the hard disk drive test report and it claims the ST3000DM001 was tried and works. So I'm pretty stumped. Old MB BIOS didn't work, new MB BIOS doesn't work, old Seagate firmware doesn't work, new Seagate firmware doesn't work, WD doesn't work, multiple ports don't work.
Surely other people are using large drives on these MB's.
Hints?

It does help knowing other people are getting the same hardware to work. Gives me hope.
My first thought was "ain't no way it's the OS" since the MB isn't showing the drives on the display of SATA devices. But just to do a quick check I slipped in a Fedora drive and booted and wow... no problems at all with using the 3T drives. Motherboard still claims no knowledge of them, but Fedora uses 'em fine.
ok... Update the Intel chipset drivers and the IRST and reboot and... it's better. Still broken, but better. Takes about a minute to boot instead of the usual 12 seconds, but once it's up it's working ok best I can tell. So it's getting hung up on something during boot.
Fine... reset the CMOS, PITA though that is since I have to yank the SLI graphics card to get to it.
Put it back together, boot, and... Windows won't boot.
I'm about ready to throw a tantrum but get it together and just start trying things. Yank all the drives but the SSD. No. Boot from Fedora. No. Yank the second graphics card. YES! Put it back in again. YES! Guess I didn't get it seated right the first time, or something. Sure felt ok going in, but I won't argue with results.
Boot W8.1 and... bingo... up in 11 seconds with 3*3T drives in it. And the CMOS claims to see the drives now.
Stripe 'em in Windows software and CrystalMark says it can read 490MB/s and write 450MB/s.
That'll do. Thanks.

Disk drive doesn't work

i have a macbook and leopard 10.5.8.
I also have an old ibook g4.
i've rarely used my macbook dvd drive and now it seems it can't read anything. i know its not broken but could it be because the lens is dirty or something. if it is how can i clean it. i can hear the disk wirring and spinning. not even blank disks are working.
my old ibook g4 can read everything perfectly and has no problems at all. i play all my dvds on it.
how come my ibook g4 disk drive works better than my macbook disk drive? how can i make my macbook disk drive work?

Are these disks which have sticky labels on them? Is this a problem with all disks? Some disks are actually thicker than others as some have noticed. Also check this article:
http://docs.info.apple.com/article.html?artnum=58641

Firewire Drive Randomly Spins Up

I did a quick search and found that people were having issues with their external drives spinning down randomly, however, is anyone having the issue where the drive spins up?
I have a 500GB LaCie D2 connected via Firewire 800 to my Mac Pro. I currently have "Put the hard disk(s) to sleep when possible," as I did in Tiger. I have 5 drives (4 internal, 1 external), and my computer gets rather loud if all drives are running at once. Anyway, after upgrading to Leopard, this external LaCie drive randomly spins up and since I think the drive is slowly giving up the ghost, it doesn't sound pretty.
Is there a way to prevent this spin up from occurring? I am planning on getting another external drive (not LaCie), but I was thinking of using my current external as an AirPort Disk once that works with Time Machine.
Thanks.

William Lloyd wrote:
Drives can spin up for any number of reasons. Often when you get a file->open dialog.
This didn't happen to me when I was using Tiger. The drive would only spin up when I actually double clicked on the desktop icon and actively accessed it. Getting a dialog box in Safari wouldn't cause it to spin up because Safari wasn't accessing anything on that drive.
After installing Leopard, the drive will spin up when I launch Mail, when a save dialog box pops up in Safari, but mostly it happens at random times when I'm not even on the computer.
You know it's easier on a drive to keep it running constantly than to select that it spin down.
The reason I have this specific drive spinning down is because it sounds like metal on a grinding wheel after spinning for a while. It's not a pleasant sound at all. Until I can get a new drive, I need it to not sound like I'm sharpening knives.
Also, I have 5 drives total (4 internal, 1 external), and that amounts for a lot of noise. Is there a way to control which drives spin down and which spin up? That would be extremely helpful.

Important to know if disk drive is spinning.

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